Operator`s manual

46
TERMINATION SWITCH
Set this switch to the left (away from the PC board) to terminate the input of the VDA into 75O. Set the switch to the
right for a high impedance (bridging) input. A BNC T connector can be used to provide a loop-through connection.
Figure 4-14: VDA Card
AHE2
AHE1
DC Offset
Negative Volts
Select
ON
OFF
-12v
-5v